Probably as good as none. Nevertheless, the Mio Star has a better energy label (A++). It is even classified in the top ten. Meanwhile, the two cost almost the same. Let's hope that this machine is better and more intelligently programmed, as my Koenig has shortcomings in that respect. Compared to a Juro or something, it's just a cheap product and made in China.
We also had to send it back very soon after we bought it, but because the water was leaking out of the bottom. But it has been running perfectly for 3 years now. But try adjusting the grinding level (centre position?)